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SC251MLTRT Datasheet(PDF) 11 Page - Semtech Corporation |
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SC251MLTRT Datasheet(HTML) 11 Page - Semtech Corporation |
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11 / 19 page  11 © 2006 Semtech Corp. www.semtech.com SC251 POWER MANAGEMENT Table 1: Recommended Inductors Table 2: Recommended Capacitors output voltage ripple component that is dependent upon this ESR, as can be seen in the following equation: ) COUT ( ) ripple ( L ) ESR ( OUT ESR I V × Δ = Δ Capacitors with X7R or X5R ceramic dielectric should be used for their low ESR and superior temperature and voltage characteristics. Y5V capacitors should not be used as their temperature coefficients make them impractical for this application. The following tables lists the manufacturers of recommended capacitor and inductor options. Manufacturer/Part # Value μH DCR Ω Saturation Current A Tolerance ±% Dimensions (LxWxH) mm BI Technologies HM66304R7 4.7 0.072 1.32 20 4.7 × 4.7 × 3.0 Coilcraft D01608C-472ML 4.7 0.09 1.5 20 6.6 × 4.5 × 3.0 TDK VLCF4018T- 4R7N1R0-2 4.7 0.101 1.07 30 4.3 × 4.0 × 1.8 Manufacturer/Part # Value μF Rated Voltage VDC Temperature Characteristic Case Size Murata GRM219R 61A475KE34B 4.7 6.3 X5R 0603 TDK C1608JF0J475Z 4.7 6.3 X5R 0603 Murata GRM219R 60J106K E19B 10 6.3 X5R 0603 TDK C2012JB0J106K 10 6.3 X5R 0805 Applications Information (Cont.) |
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